Actuator



FIG. 1 is a perspective view of an actuator showing our new design thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken line showing of the actuator is included for the purpose of illustrating portions of the actuator and forms no part of the claimed design. 

The ornamental design for an actuator, as shown and described. 